Power quality measurements of wind energy converters with full-scale converter according to IEC 61400-21

摘要: Wind energy has reached remarkable shares in the electrical production many countries worldwide. However, connection of multi-megawatt wind farms leads to necessity examine impact on grid closely. The International Electrotechnical Commission (IEC) developed and released IEC-standard 61400-21 as part IEC 61400 standards for testing assessing power quality characteristics grid-connected converters (WECs) a consistent accurate way. To easily compare WECs different types it defines measurement excerpt that states key characteristics: turbine specifications, active reactive output, flicker, harmonics, control power, protection, voltage dip response reconnection time. Based results maximum capacity can be determined chosen point order fulfil given national or international requirements. Different have characteristics. As pioneer advanced WEC technology integration, ENERCON range certified address most demanding codes. In recent years all these were tested according by independent institutes. Reasons good found design based an annular generator, injecting via full-scale electronics associated systems. Additional features like soft-start without inrush currents, Storm Control farm systems voltage, factor can, certain extent, even improve